3103 Eger (1982 BB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3541833241 ± 2.00e+00
Semi-major axis (a)1.4039472551 AU ± 3.00e+00
Inclination (i)20.93071887° ± 4.00e+00
Long. of Asc. Node (Ω)129.73173744° ± 5.00e+00
Arg. of Perihelion (ω)254.10494834° ± 6.00e+00
Mean Anomaly (M)181.12184640° ± 8.33e-05
Mean Motion (n)0.5924969077°/day ± 1.90e+00
Perihelion dist (q)0.90669255 AU ± 3.41e+00
Aphelion dist (Q)1.90120196 AU ± 4.94e+00
Orbital Period1.66351296 yr ± 5.33e+00
NGA Modelr2
A24.86502687e-06 AU/d²
Physical Parameters
H (abs. magnitude)15.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.341″
Uncertainty0
Orbit TypeApollo
MOID0.078006 AU
Observations Used7901
Radar Obs Used4
Gaia Obs Used108
Oppositions14
Arc Total1982-2017
First Observation Used1982-02-02
Last Observation Used2026-04-05
Observations (11858)
Date Type RA Dec Mag Band Observatory
2024-03-19 09:38:13 C 15 34 14.898 +16 12 00.36 V G96
2024-03-19 09:45:37 C 15 34 14.858 +16 12 06.19 V G96
2024-03-19 09:52:59 C 15 34 14.804 +16 12 12.06 V G96
2024-03-19 12:19:57 C 15 34 14.294 +16 14 10.07 V T08
2024-03-19 12:22:37 C 15 34 14.292 +16 14 12.08 V T08
2024-03-19 12:26:37 C 15 34 14.230 +16 14 15.58 V T08
2024-03-19 12:33:53 C 15 34 14.210 +16 14 20.90 V T08
2024-03-21 12:27:06 C 15 33 56.717 +16 52 25.79 V T05
2024-03-21 12:29:56 C 15 33 56.698 +16 52 28.02 V T05
2024-03-21 12:34:32 C 15 33 56.654 +16 52 31.94 V T05
2024-03-21 12:42:23 C 15 33 56.585 +16 52 38.17 V T05
2024-03-23 11:59:00 C 15 33 28.774 +17 30 32.47 V T05
2024-03-23 12:01:36 C 15 33 28.714 +17 30 34.88 V T05
2024-03-23 12:06:11 C 15 33 28.673 +17 30 38.63 V T05
2024-03-23 12:14:01 C 15 33 28.555 +17 30 44.68 V T05
2024-03-25 11:45:04 C 15 32 49.783 +18 09 03.46 V T05
2024-03-25 11:47:40 C 15 32 49.718 +18 09 05.65 V T05
2024-03-25 11:51:42 C 15 32 49.670 +18 09 08.60 V T05
2024-03-25 11:59:31 C 15 32 49.493 +18 09 15.26 V T05
2024-03-27 12:00:51 C 15 31 59.124 +18 48 03.96 V T05
2024-03-27 12:03:27 C 15 31 59.057 +18 48 05.98 V T05
2024-03-27 12:08:00 C 15 31 58.946 +18 48 09.68 V T05
2024-03-27 12:15:49 C 15 31 58.807 +18 48 15.91 V T05
2024-03-28 12:32:57 C 15 31 28.949 +19 07 53.15 V T05
2024-03-28 12:35:33 C 15 31 28.870 +19 07 55.13 V T05
2024-03-28 12:40:06 C 15 31 28.781 +19 07 59.09 V T05
2024-03-28 12:49:52 C 15 31 28.555 +19 08 06.97 V T05
2024-03-29 10:42:48 C 15 30 59.431 +19 25 45.80 V T05
2024-03-29 10:47:25 C 15 30 59.318 +19 25 49.48 V T05
2024-03-29 11:38:01 C 15 30 58.042 +19 26 30.84 V T05
2024-03-29 11:55:07 C 15 30 57.617 +19 26 44.41 V T05
2024-03-30 11:34:54 C 15 30 23.078 +19 45 47.77 V T08
2024-03-30 11:37:34 C 15 30 22.990 +19 45 49.68 V T08
2024-03-30 11:49:31 C 15 30 22.709 +19 45 59.11 V T08
2024-03-30 11:58:00 C 15 30 22.450 +19 46 06.35 V T08
2024-03-31 11:00:05 C 15 29 46.224 +20 04 34.86 V T08
2024-03-31 11:04:08 C 15 29 46.114 +20 04 38.14 V T08
2024-03-31 11:08:48 C 15 29 45.991 +20 04 41.81 V T08
2024-03-31 11:42:43 C 15 29 44.976 +20 05 09.35 V T08
2024-04-01 11:37:11 C 15 29 04.423 +20 24 14.90 V T05
2024-04-01 11:40:26 C 15 29 04.308 +20 24 17.28 V T05
2024-04-01 11:49:10 C 15 29 04.025 +20 24 24.77 V T05
2024-04-01 11:57:18 C 15 29 03.773 +20 24 31.18 V T05
2024-04-01 14:23:18 C 15 28 59.138 +20 26 27.43 X F51
2024-04-01 14:36:35 C 15 28 58.716 +20 26 37.95 X F51
2024-04-01 14:49:54 C 15 28 58.295 +20 26 48.50 X F51
2024-04-01 15:02:58 C 15 28 57.882 +20 26 58.84 X F51
2024-04-04 13:54:45 C 15 26 39.970 +21 22 52.14 V T05
2024-04-04 14:15:02 C 15 26 39.197 +21 23 07.94 V T05
2024-04-04 15:05:59 C 15 26 37.294 +21 23 47.29 V T05
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1986-07-18 07:50:00 202602 6 Hz 2380 -1 -1
1986-07-18.326389 20260200 600 Hz 2380 251 251
1996-07-29 09:10:00 469654 5 Hz 8510 -14 -14
1996-07-29 13:00:00 133166634 10 us 8510 -14 -14
1996-07-29.381944 46965400 500 Hz 8510 253 253
1996-07-29.541667 13316663400 10000 us 8510 253 253
1996-07-30 10:50:00 410012.2 5 Hz 8510 -14 -14
1996-07-30.451389 41001220 500 Hz 8510 253 253
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)